linux-kernel - RE: [PATCH v2 1/9] drivers: net: Remove unused function igb_get_eee_status_i354() in e1000

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Message-ID: <9BBC4E0CF881AA4299206E2E1412B6264FA1408B@ORSMSX102.amr.corp.intel.com>
Date:	Mon, 16 Dec 2013 17:11:25 +0000
From:	"Wyborny, Carolyn" <carolyn.wyborny@...el.com>
To:	Rashika Kheria <rashika.kheria@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	"Skidmore, Donald C" <donald.c.skidmore@...el.com>,
	"Rose, Gregory V" <gregory.v.rose@...el.com>,
	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>,
	"Duyck, Alexander H" <alexander.h.duyck@...el.com>,
	"Ronciak, John" <john.ronciak@...el.com>,
	"Dave, Tushar N" <tushar.n.dave@...el.com>,
	"Abodunrin, Akeem G" <akeem.g.abodunrin@...el.com>,
	"Vick, Matthew" <matthew.vick@...el.com>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"josh@...htriplett.org" <josh@...htriplett.org>
Subject: RE: [PATCH v2 1/9] drivers: net: Remove unused function
 igb_get_eee_status_i354() in e1000_82575.c

> -----Original Message-----
> From: Rashika Kheria [mailto:rashika.kheria@...il.com]
> Sent: Saturday, December 14, 2013 4:15 AM
> To: linux-kernel@...r.kernel.org
> Cc: Kirsher, Jeffrey T; Brandeburg, Jesse; Allan, Bruce W; Wyborny, Carolyn;
> Skidmore, Donald C; Rose, Gregory V; Waskiewicz Jr, Peter P; Duyck, Alexander
> H; Ronciak, John; Dave, Tushar N; Abodunrin, Akeem G; Vick, Matthew; e1000-
> devel@...ts.sourceforge.net; netdev@...r.kernel.org; josh@...htriplett.org
> Subject: [PATCH v2 1/9] drivers: net: Remove unused function
> igb_get_eee_status_i354() in e1000_82575.c
> 
> This patch removes the function igb_get_eee_status_i354() in e1000_82575.c
> because it is unused.
> 
> It thus eliminates the following warning in
> ethernet/intel/igb/e1000_82575.c:
> drivers/net/ethernet/intel/igb/e1000_82575.c:2591:5: warning: no previous
> prototype for ‘igb_get_eee_status_i354’ [-Wmissing-prototypes]
> 
> Signed-off-by: Rashika Kheria <rashika.kheria@...il.com>
> Reviewed-by: Josh Triplett <josh@...htriplett.org>
> ---
>  drivers/net/ethernet/intel/igb/e1000_82575.c |   32 --------------------------
>  1 file changed, 32 deletions(-)
> 
> diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c
> b/drivers/net/ethernet/intel/igb/e1000_82575.c
> index 47c2d10..18e5200 100644
> --- a/drivers/net/ethernet/intel/igb/e1000_82575.c
> +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
> @@ -2580,38 +2580,6 @@ out:
>  	return ret_val;
>  }
> 
> -/**
> - *  igb_get_eee_status_i354 - Get EEE status
> - *  @hw: pointer to the HW structure
> - *  @status: EEE status
> - *
> - *  Get EEE status by guessing based on whether Tx or Rx LPI indications have
> - *  been received.
> - **/
> -s32 igb_get_eee_status_i354(struct e1000_hw *hw, bool *status) -{
> -	struct e1000_phy_info *phy = &hw->phy;
> -	s32 ret_val = 0;
> -	u16 phy_data;
> -
> -	/* Check if EEE is supported on this device. */
> -	if ((hw->phy.media_type != e1000_media_type_copper) ||
> -	    (phy->id != M88E1543_E_PHY_ID))
> -		goto out;
> -
> -	ret_val = igb_read_xmdio_reg(hw, E1000_PCS_STATUS_ADDR_I354,
> -				     E1000_PCS_STATUS_DEV_I354,
> -				     &phy_data);
> -	if (ret_val)
> -		goto out;
> -
> -	*status = phy_data & (E1000_PCS_STATUS_TX_LPI_RCVD |
> -			      E1000_PCS_STATUS_RX_LPI_RCVD) ? true : false;
> -
> -out:
> -	return ret_val;
> -}
> -
>  static const u8 e1000_emc_temp_data[4] = {
>  	E1000_EMC_INTERNAL_DATA,
>  	E1000_EMC_DIODE1_DATA,
> --
> 1.7.9.5

NACK.

Thanks for the patch Rashika, but this is the incorrect fix for this warning  The function is called in the igb_probe function, so you cannot remove it and I see the prototype in the e1000_82575.h file.  Can you double check your source pull?

Thanks,

Carolyn

Carolyn Wyborny 
Linux Development 
Networking Division 
Intel Corporation